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Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-12561166
LS1/LS6 5.7L Bare Aluminum Block Direct replacement for 2001-2004 Corvette
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Aluminum Production LS-Series Engine Blocks
- LS1/LS6 5.7L Bare Block
- Direct replacement for 2001-2004 LS1 and LS6 Corvette 5.7L
- Production 319-T5 aluminum block with iron sleeves
- 3.898" finished bore (99.0mm)
- Tested to over 400 horsepower!
Notes: - Max HP: 450
- Max Stroke: 4.00"
- Street Use
- Production oiling system
- Uses OEM casting # 12561168
- Use LS1/LS6 cylinder heads only
- 9.240' deck height
- 2.56' (Std. LS) crankshaft journal diameter
- No provision for Active Fuel Management
Part TypeEngine Block
BrandCHEVROLET PERFORMANCE
Package Height20.0
Package Width24.0
Package Length28.0
Weight250.0 PG
Part CategoryPerformance Parts
Main Journal TypeOEM
Engine Block StyleStock/OEM standard Deck
Engine Block MaterialAluminum
Cylinder Bore As Shipped3.89 in (98.806 mm)
QuantitySold individually
Raised Cam LocationNo
Freeze Plugs IncludedNo
Deck Height9.24 in (234.696 mm)
Main Bearings IncludedNo
Main Cap MaterialNodular iron
Rear Main Seal Style1-piece
Main Caps IncludedYes
Finished Cylinder BoresNo
Cam Bearings IncludedNo
Main Cap Fasteners IncludedYes
Vendor Part Number12561166
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
